黑马程序员-JAVA高级视频_IO输入与输出-18天-3(IO异常处理方式)

package itcast.java16;

import java.io.FileWriter;
import java.io.IOException;

/*
 * IO异常处理方式
 * 
 */
public class FileWriterDemo2 {
    public static void main(String[] args) {
        FileWriter fw =null;
        try {
            fw = new FileWriter("demo.txt");
            fw.write("abcde");
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            try {
                if (fw != null)
                    fw.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

}